Benzopyran derivatives, processes for production of the...

C - Chemistry – Metallurgy – 07 – D

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C07D 311/00 (2006.01) A61K 31/35 (2006.01) A61K 31/395 (2006.01) C07D 311/22 (2006.01) C07D 311/58 (2006.01) C07D 311/96 (2006.01) C07D 405/12 (2006.01) C07D 413/12 (2006.01) C07D 417/12 (2006.01)

Patent

CA 2128510

ABSTRACT Benzopyran derivatives of the formula: Image (wherein, X represents an alkyl group, alkoxy group, etc., R1 independently represents an alkyl group, alkoxy group, etc. R2 to R7 independently represents a hydrogen atom, alkyl group, etc., R8 is an alkyl group, aryl group, etc., R9 is a hydrogen atom or lower alkyl group, etc., m is an integer of 0 to 3, n is an integer of 0 to 3, m and n together are an integer of not more than 3, and O is 0 or 1), pharmacologically acceptable acid adducts of the same, processes of production thereof, and drugs containing the same.

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